Ksolves India Limited Java Developer Interview Questions and Answers

Code review to find bugs

Q1. State the features of interface Spring boot annotations Microservice communication table index
Ans. 
Interface features include abstraction, multiple inheritance, and contract enforcement.
• Abstraction: Interfaces allow for the definition of methods without implementation, providing a blueprint for classes to follow.

• Multiple Inheritance: Java interfaces support multiple inheritance, allowing a class to implement multiple interfaces.

• Contract Enforcement: Interfaces define a contract that implementing classes must adhere
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Q1. SAP related questions
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Q1. High level Managerial round
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Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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Q1. Tell us about your experience.
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Q2. In english, give me a feedback you received lately.
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Q1. Brief explanation of SOLID principles
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Q2. Ref vs out arguments
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Q1. Print Longest Increasing Subsequence
Ans. 
Print the longest increasing subsequence of an array of strings.
• Use dynamic programming to find the longest increasing subsequence.

• Iterate through the array and keep track of the longest increasing subsequence ending at each index.

• Return the longest increasing subsequence found.
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Q1. What is solid principple
Ans. 
SOLID is a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses with...read more
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Q2. Whats are oops in c#
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Object-oriented programming concepts in C#
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability for objects to take on multiple forms

• Abstraction: hiding the complex implementation details and showing only the necessary features
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Q1. Cs fundamental questions
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Q1. Coding + design
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Aptitude,reasoning,verbal,C language,Java,C++

Q1. What is interface in JAVA
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Q2. Explain OOPS in JAVA
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